January 2019 1 8 Report
Oblicz stosując wzór na kwadrat sumy.
a) (2+x)2 - dwójka za nawiasem = do kwadratu
b) (4x+y)2
c) (3+2a)2
d) (5+z)2
e) (2x+3y)2
f) (4c+8)2
g) ( jedna druga +3a)2
h) ( dwie trzecie+ jedna drugax)2
i) (1-0,5x)2
j) (2+trzy czwarte y)2
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